Allow variable number of script keys.
Allow variable number of script keys.

garyburd/redigo,stvp/redigo,shosti/redigo,kylebrandt/redigo,linkeo/redigo,MCProHosting/redigo,beni55/redigo,zhgo/redis,Charlesdong/redigo,brodock/redigo,mbrukman/redigo,ninjasphere/redigo,iron-s/redigo,blackbeans/flume-bridge,blackbeans/flume-bridge,nativetouch/redigo,kpumuk/redigo,outrightmental/go-redigo,cloudnautique/redigo,lvtiendev/redigo,gomodule/redigo,Wang/redigo